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        "cveId": "CVE-2026-49738",
        "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "state": "PUBLISHED",
        "assignerShortName": "TYPO3",
        "dateReserved": "2026-06-01T10:52:50.597Z",
        "datePublished": "2026-06-09T10:53:31.677Z",
        "dateUpdated": "2026-07-15T12:48:36.417Z"
    },
    "containers": {
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                "orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
                "shortName": "TYPO3",
                "dateUpdated": "2026-07-15T12:48:36.417Z"
            },
            "title": "TYPO3 CMS - Broken Access Control in File Abstraction Layer",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "TYPO3",
                    "product": "TYPO3 CMS",
                    "collectionURL": "https://packagist.org",
                    "packageName": "typo3/cms-core",
                    "repo": "https://github.com/TYPO3/typo3",
                    "modules": [
                        "Core"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "10.4.57",
                            "versionType": "semver"
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                            "status": "affected",
                            "version": "11.0.0",
                            "lessThan": "11.5.51",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "12.0.0",
                            "lessThan": "12.4.46",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "13.0.0",
                            "lessThan": "13.4.31",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "14.0.0",
                            "lessThan": "14.3.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
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            ],
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                {
                    "nodes": [
                        {
                            "cpeMatch": [
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                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "10.4.57",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "11.0.0",
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                            "operator": "OR"
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                    ],
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The path allowance check in GeneralUtility::isAllowedAbsPath() performed a plain string prefix comparison without requiring a directory separator boundary, causing a path like /var/www/html-other/secret.yaml to be incorrectly accepted as valid when the project root was /var/www/html. Administrator users with access to the File Abstraction Layer were able to create new file storage definitions pointing to directories outside the project root, bypassing this path check. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.",
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                        }
                    ]
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            ],
            "references": [
                {
                    "url": "https://typo3.org/security/advisory/typo3-core-sa-2026-016",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://github.com/TYPO3/typo3/commit/44c2fa9807944136218a0842e3051c0a379a002d",
                    "name": "Git commit of main branch",
                    "tags": [
                        "patch"
                    ]
                },
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                    "url": "https://github.com/TYPO3/typo3/commit/150a983a5d687cedcfc33bbe9c335d9a13fd05e5",
                    "name": "Git commit of 13.4 branch",
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "HIGH",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
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                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
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                        "baseScore": 2.1,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Wolfgang Klinger",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "Oliver Hader",
                    "type": "remediation developer"
                }
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                "metrics": [
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                                "timestamp": "2026-06-09T13:42:59.723468Z",
                                "id": "CVE-2026-49738",
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                                        "Exploitation": "none"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "dateUpdated": "2026-06-09T13:43:12.573Z"
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